A plane is cruising at an altitude of 5.5 miles. Which equation can be used to find the distance from the plane to the horizon?

A:EC^2=EH^2+CH^2

B:DC^2=EH^2+CH^2

Find the area of a square with a side length of 1/4 in.

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.